The only ID I recognize is Chlorococcum.
Nikon PlanApo 100x UFG filtr

Nikon PlanApo 100x UFG filtr

Nikon PlanApo 100x DIC

Olympus SPlanApo 20x UFG filtr

Nikon PlanApo 100x UFG filtr

Nikon PlanApo 100x DIC

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